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-2.6x+2.9=-2.8x+2.7
We move all terms to the left:
-2.6x+2.9-(-2.8x+2.7)=0
We get rid of parentheses
-2.6x+2.8x-2.7+2.9=0
We add all the numbers together, and all the variables
0.2x+0.2=0
We move all terms containing x to the left, all other terms to the right
0.2x=-0.2
x=-0.2/0.2
x=-1
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